Spin/valley dependent dwell time in an 8-Pmmn borophene junction

IF 2.6 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Physica Scripta Pub Date : 2024-09-18 DOI:10.1088/1402-4896/ad7917
Farhad Sattari and Soghra Mirershadi
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Abstract

Spin/valley dependent dwell time in 8-Pmmn borophene junction under Rashba spin–orbit interaction (RSOI) is studied. The dwell time as well as transmission probability for incident electrons with spin-up show a different behavior than the incident electrons with spin-down, and these quantities can be controlled effectively by the junction direction, incident angle, the RSOI strength and the barrier width. Also, the dwell time is dependent on the degree of freedom of the valley and shows oscillating behavior with the increase of the barrier width. The spin polarization and spin filtering in 8-Pmmn borophene junction under RSOI can be obtained in the time domain.
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8-Pmmn 硼吩结中与自旋/谷值相关的停留时间
研究了拉什巴自旋轨道相互作用(RSOI)下 8-Pmmn 硼吩结中与自旋/谷相关的驻留时间。自旋上升的入射电子的驻留时间和传输概率与自旋下降的入射电子的驻留时间和传输概率表现出不同的行为,这些量可以通过结方向、入射角度、RSOI 强度和势垒宽度进行有效控制。此外,驻留时间还取决于谷的自由度,并随着势垒宽度的增加而呈现振荡行为。在时域中可以得到 RSOI 作用下 8-Pmmn 硼吩结中的自旋极化和自旋滤波。
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来源期刊
Physica Scripta
Physica Scripta 物理-物理:综合
CiteScore
3.70
自引率
3.40%
发文量
782
审稿时长
4.5 months
期刊介绍: Physica Scripta is an international journal for original research in any branch of experimental and theoretical physics. Articles will be considered in any of the following topics, and interdisciplinary topics involving physics are also welcomed: -Atomic, molecular and optical physics- Plasma physics- Condensed matter physics- Mathematical physics- Astrophysics- High energy physics- Nuclear physics- Nonlinear physics. The journal aims to increase the visibility and accessibility of research to the wider physical sciences community. Articles on topics of broad interest are encouraged and submissions in more specialist fields should endeavour to include reference to the wider context of their research in the introduction.
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